CN114619141B

CN114619141B - Metal plate laser cutting machine

Info

Publication number: CN114619141B
Application number: CN202210453907.8A
Authority: CN
Inventors: 张晓烈
Original assignee: Jiaxing Pinge Precision Metal Products Co ltd
Current assignee: Jiaxing Pinge Precision Metal Products Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-12-27
Anticipated expiration: 2042-04-24
Also published as: CN114619141A

Abstract

The application discloses metal sheet laser cutting machine belongs to laser cutting's technical field, and its technical scheme main points are including laser cutting equipment, laser cutting equipment includes: the conveying device is used for conveying the metal plate strip to move and comprises a conveying frame, an end shaft and a conveying belt, wherein the end shaft can be arranged on the conveying frame to move back and forth along the conveying direction; the supporting plate is arranged between the two end shafts and is connected with the end shafts in an installing way, and a dust guide gap is arranged in the middle of the supporting plate; the guide walls are arranged on two sides of the dust guide gap and connected with the support plate; the laser cutting device can move back and forth along the conveying direction and the direction vertical to the conveying direction, and is connected with the supporting plate in an installing manner; and the blowing device is arranged on the supporting plate. The application provides a sheet metal laser cutting machine can cut the sheet metal coil stock, directly cuts out the sheet metal blank that can bend, and metal fillings adhesion in sheet metal's downside when preventing to cut.

Description

Metal plate laser cutting machine

Technical Field

The application belongs to the technical field of laser cutting, especially, relate to a metal sheet laser cutting machine.

Background

In the production process of a cupboard or other metal cabinets, a large amount of metal plates are required to be used, the metal plates are cut into plate blanks by a metal plate cutting machine, and then the plate blanks are bent, welded and assembled into the metal cabinets.

Chinese prior publication No. CN107921583B, an apparatus for cutting sheet metal from a sheet metal strip (1), comprising: a laser cutting device (2) which can move back and forth along the conveying direction (T) of the metal plate material strip (1) and along the y direction which is vertical to the conveying direction; a first conveyor belt, a first end (7) of which is movable back and forth along the conveying direction (T) together with the laser cutting device (2); -a second conveyor belt having a second end (8) opposite to the first end (7) and movable back and forth along the conveying direction (T), wherein the first end (7) and the second end (8) are moved in such a way that the laser beam (L) generated by the laser cutting device is directed towards a gap (S) formed between the first end (7) and the second end (8) and extending along the y-direction.

Although the laser cutting device cannot make metal chips adhere to both sides of the cutting position, a small amount of metal chips can be blown out in the cutting direction and then continuously adhere to the lower side surface of the metal plate on which the air flow does not act.

Disclosure of Invention

The utility model provides a to the technical problem that above-mentioned exists, provide a sheet metal laser cutting machine, can cut the sheet metal coil stock, directly cut out the sheet metal blank that can bend, and the metal fillings adhesion in sheet metal's downside when preventing to cut.

The application provides metal sheet laser cutting machine, including laser cutting equipment, laser cutting equipment includes: the conveying device conveys the metal plate strip to move, and comprises a conveying frame, an end shaft and a conveying belt, wherein the end shaft can be arranged on the conveying frame to move back and forth along the conveying direction; the supporting plate is arranged between the two end shafts and is connected with the end shafts in an installing mode, a dust guide gap is formed in the middle of the supporting plate, and a plurality of grooves which are uniformly arranged are formed in the supporting plate; the guide walls are arranged on two sides of the dust guide gap and connected with the support plate; the laser cutting device can move back and forth along the conveying direction and the direction vertical to the conveying direction, and is connected with the supporting plate in an installing manner; and the air blowing device is arranged on the supporting plate and is connected with the air pump.

The laser cutting device is used for carrying out laser cutting on a strip-shaped metal plate, a plate blank for continuously producing a cabinet body can be guaranteed according to a drawing, the metal plate is conveyed through the conveying device, the conveying belt and the end shaft are both arranged on the conveying frame and driven by the driving device, the supporting plate and the end shaft can move simultaneously, different acting forces are applied to the conveying belts on the two sides of the supporting plate to enable the conveying belts to contract or extend, when the stroke of the conveying belt on one side is contracted, the stroke of the conveying belt on the other side is extended, the movement of the supporting plate and the end shaft is realized, when the conveying belts move and the conveying belts on the two sides are not contracted or extended, the metal plate is moved, the conveying device is provided with a plurality of conveying rollers in tooth-shaped square cloth, the conveying belts are wound on the conveying rollers, and the contraction or extension of the conveying belts is realized by moving the upper position and the lower position of the conveying rollers, the support plate and the laser cutting device move simultaneously to ensure that the dust guide gap corresponds to the laser cutting device, the support plate supports a metal plate to be cut, the contact area between the support plate and the metal plate is reduced by arranging the groove, the friction between the support plate and the metal plate when the support plate moves is reduced, when the support plate moves, the static friction between the metal plate and the conveying belt is larger than the sliding friction between the support plate and the conveying belt, the relative static state between the metal plate and the conveying frame is realized, the precision during laser cutting is ensured, the guide wall is conical, one end of the small end is connected with the dust guide gap to accelerate the derivation of metal scraps, the guide wall guides the metal scraps into the dust collecting groove, when the laser cutting device is used for cutting, the auxiliary gas acts on the metal plate, and the cut metal scraps can be adhered to two sides of the cutting gap under the action of the auxiliary gas, the air blowing device blows air to the cutting seam to act on metal scraps to be adhered, so that the metal scraps are prevented from being adhered to the lower side surface of the metal plate.

Further, the air blowing device includes: the air blowing nozzles are movably arranged on the supporting plate and are arranged on two sides of the dust guide gap, and the air blowing nozzles are provided with Y-shaped air blowing holes; the air blowing cylinder is arranged on the supporting plate, and a guide groove is formed in the side wall of the air blowing cylinder; the first piston is arranged in the air blowing cylinder body and can move back and forth along the axis direction of the air blowing cylinder body, the first piston is provided with a guide block matched with the guide groove, the first piston is provided with an air inflation groove, the air inflation groove and the inner wall surface of the air blowing cylinder body form an air blowing space, the air pump is connected with the first piston and communicated with the air blowing space, a first connecting hole is formed in the inner side wall of the air blowing cylinder body, and the first connecting hole is connected with the air blowing hole.

The air blowing nozzles are uniformly arranged and movably arranged on the supporting plate and are distributed on two sides of the dust guide gap, the air is blown out through the air blowing holes to respectively act on two sides of the cutting gap, the air blowing holes are Y-shaped, one side of the air blowing holes acts on the other side of the cutting gap and acts on the lower end of the dust guide gap, air circulation in the dust guide gap is accelerated, metal scraps in the dust guide gap are discharged at an accelerated speed, the air blowing cylinder is arranged on the supporting plate and is connected with the air blowing nozzles through first connecting holes in the air blowing cylinder, the air pump is connected with the first piston through a hose and is connected onto the guide block, an air blowing space is formed by the air charging groove and the inner wall surface of the air blowing cylinder, when the air pump blows air into the air blowing space, the air continues to be blown out to the corresponding air blowing nozzles through the first connecting holes communicated with the air blowing space, the first piston is connected and driven through a screw rod, the screw rod is connected with a laser head on the laser cutting device through transmission modes such as gears, belt transmission, chain transmission, the position of the first piston is enabled to correspond to the position of the laser head all the time, and the air blowing effect of the air blowing device is achieved.

Further, the both ends of blowing mouth are provided with the push pedal, set up reset spring between one side of push pedal and the backup pad, the internal face of the barrel that blows is provided with the second connecting hole, the second connecting hole is connected with the connecting pipe, the connecting pipe corresponds with the left side push pedal of the blowing mouth that the first connecting hole in left side is connected respectively and corresponds with the right side push pedal of the blowing mouth that the first connecting hole in right side is connected, the connecting pipe is provided with the film that is the elasticity form, the film separation with the push pedal under the normality.

Furthermore, the first connecting holes and the second connecting holes are alternately arranged, and the first connecting holes and the second connecting holes surrounded by the inflation grooves are odd numbers more than 5 in total.

Preferably, the number of the metal scraps is 5, the metal scraps further effectively reduce the adhesion of the metal scraps to the metal sheet connecting pipes, and different metal scraps are not mutually communicated through the two first connecting holes and the three first connecting holes in an alternate manner.

Furthermore, the first connecting hole and the second connecting hole can be arranged in parallel, and in the moving process of the first piston, the total number of the first connecting hole and the second connecting hole surrounded by the air inflation groove is 4.

Including three first connecting hole and a second connecting hole, the push pedal atress balance of the blowing nozzle both sides that middle first connecting hole corresponds, it does not rotate to correspond the blowing nozzle this moment, the blowing nozzle that the first connecting hole of both sides corresponds deflects to the centre and rotates, prevent the metal fillings adhesion on sheet metal, can appear two complete first connecting holes that the gas cell surrounded and incomplete first connecting hole of connection and two incomplete second connecting holes along with the removal of first piston, the blowing nozzle that four first connecting holes correspond all deflects to the centre this moment, prevent the metal fillings adhesion on sheet metal, first connecting hole is compared with setting up in turn with setting up side by side of second connecting hole, it blows to have all the time to have guaranteed the side direction, improve the effect of blockking to the lateral direction metal fillings.

Further, the cutting step of the laser cutting equipment comprises longitudinal cutting and transverse cutting: longitudinal cutting: is vertical to the conveying direction of the conveying device; transverse cutting: parallel to the conveying direction of the conveying device; after the laser cutting equipment finishes the current cutting work, the conveying belts on the two sides of the supporting plate are driven by the conveying belts to have the same moving direction, the metal plate and the cut blanking are driven to move, the part of the metal plate to be cut is moved to the working area of the laser cutting device, and the blanking is moved to the tail end of the conveying device along with the processed casting of the metal plate and is collected.

Furthermore, the conveying belt stops driving during longitudinal cutting, the laser cutting head is driven to move longitudinally to cut the metal plate by driving the laser cutting device, the first piston and the laser cutting head move synchronously at the moment, and the air flow blown out by the air blowing nozzle acts on the lower side surface of the metal plate at the cutting position of the laser cutting head.

Furthermore, the end shafts are driven to move through the conveying belt during transverse cutting, the supporting plate is driven to move, relative rest between the plate and the conveying frame is guaranteed, the laser cutting head is driven to transversely move to cut the metal plate through the laser cutting device, the first piston corresponds to the laser cutting head in position, and air flow blown out through the air blowing nozzle acts on the lower side face of the metal plate at the cutting position of the laser cutting head.

Further, the cutting step of the laser cutting device further comprises: the cutting device comprises oblique cutting, arc cutting and curve cutting, wherein the oblique cutting, the arc cutting and the curve cutting are realized by simultaneously controlling cutting through longitudinal cutting and transverse cutting.

Through the continuous cutting that carries on of horizontal cutting and vertical cutting, can once only cut the blank that the metal cupboard needs from sheet metal, and through the effect of conveyer belt, end shaft, backup pad, can follow the continuous cutting blank down on the sheet metal, improve machining efficiency, and guarantee to have higher precision, can also realize slant cutting, pitch arc cutting or other more complicated curve cutting etc. through horizontal cutting and vertical cutting simultaneous action, realize more cutting function.

The beneficial effect of this application is:

1. laser cutting equipment carries out laser cutting, adopt the sheet metal coil stock, realize continuous cutting production, cutting direction is perpendicular with conveyor's direction of delivery during vertical cutting, drive laser cutting device makes laser cutting head longitudinal movement cut sheet metal, it is parallel with conveyor's direction of delivery during transverse cutting, laser cutting device is along direction of delivery round trip movement, the shrink of simultaneous control conveyer belt or extension make backup pad and end shaft remove, it corresponds with laser cutting head to make leads the dirt gap, the conveyer belt removes along X axle direction.

2. An air blowing space is formed between the air inflation groove arranged on the first piston and the air blowing cylinder body, the air blowing space is connected with an air pump, air is conveyed through the air pump, certain pressure intensity is achieved in the air blowing space, and the air is guided to the air blowing nozzle through the first connecting hole connected with the air blowing space.

3. Blow gas through the hole of blowing on the blowing nozzle and blow to the laser cutting head near the sheet metal of the position that carries out laser cutting, then continue to make the air current blow to the cutting position along sheet metal downside, the metal fillings adhesion that drops from the cutting on the sheet metal when preventing to cut improves sheet metal's cutting quality and cutting accuracy in the both sides of sheet metal's cutting joint, and the circulation of air speed of guide wall is accelerated downwards in the hole of blowing.

4. The second connecting holes are arranged on two sides of the first connecting hole, the connecting pipe is arranged, the push plate on the right side of the blowing nozzle corresponding to the first connecting hole corresponds to the connecting pipe on the left side of the blowing nozzle, the push plate on the left side of the blowing nozzle corresponds to the connecting pipe on the right side of the blowing nozzle, the blowing nozzle does not rotate when the second connecting holes on two sides of the first connecting hole are arranged in the blowing space, the second connecting hole on the right side of the first connecting hole is arranged in the blowing space, the blowing nozzle corresponding to the first connecting hole turns to the right when the left second connecting hole is arranged outside the blowing space, the blowing nozzle corresponding to the first connecting hole turns to the left, the metal scraps are blown out along the vertical direction of the conveying direction of the metal plates through the deflected blowing nozzle, the metal scraps are prevented from being adhered to the metal plates without the blowing effect after being blown out along the direction, and high cutting quality and high cutting precision are guaranteed.

5. Through the continuous cutting that carries on of horizontal cutting and vertical cutting, can once only cut the blank that the metal cupboard needs from sheet metal, and through the effect of conveyer belt, end axle, backup pad, can follow the continuous cutting blank down on the sheet metal, improve machining efficiency, and guarantee to have higher precision.

Drawings

Fig. 1 is a schematic structural view of a laser cutting apparatus of the present application;

FIG. 2 is a schematic top view of the support plate of the present application;

FIG. 3 is a schematic structural diagram of A of FIG. 1 of the present application;

FIG. 4 is a schematic structural view of the insufflation cartridge of the present application;

FIG. 5 is a schematic view of the structure at B of FIG. 4 of the present application;

FIG. 6 is a schematic view of a first piston of the present application;

FIG. 7 is a schematic view of the structure of the metal cabinet of the present application;

fig. 8 is a rear isometric exploded view of the cabinet body of the present application;

FIG. 9 is a schematic elevation view of a reinforcement layer of the present application;

FIG. 10 is an isometric view of a reinforcement layer of the present application;

FIG. 11 is a schematic structural view of a welding apparatus of the present application;

FIG. 12 is a schematic structural view of a support assembly according to embodiment 2 of the present application;

fig. 13 is a schematic structural view of a connecting member according to embodiment 2 of the present application;

reference numeral 100 in the figure, a cabinet body; 110. a side plate; 111. a first folded edge; 120. a back plate; 121. second bending edges; 130. a column; 131. a third bending edge; 132. a first plug hole; 140. a cross beam; 141. a fourth folded edge; 150. a base plate; 151. a fifth bending edge; 160. a middle plate; 161. a sixth bending edge; 162. a support hole; 300. a support assembly; 310. a fixing member; 320. a cushion block; 330. a support nut; 340. a support bolt; 400. laser cutting equipment; 410. a conveying device; 411. a carriage; 412. an end shaft; 413. a conveyor belt; 420. a support plate; 421. a dust guiding gap; 422. a guide wall; 423. a groove; 430. a laser cutting device; 440. a movable roller; 500. a blowing device; 501. a blowing space; 510. an air pump; 520. a blowing nozzle; 521. a gas blowing hole; 522. pushing the plate; 530. a blowing cylinder; 531. a guide groove; 532. a first connection hole; 533. a second connection hole; 540. a first piston; 541. a guide block; 542. an inflation groove; 550. a connecting pipe; 560. a return spring; 570. a film; 600. a reinforcing layer; 601. a first abutting portion; 602. a second abutting portion; 603. a mesh; 610. a package board; 620. welding the blank; 700. a welding device; 710. an upper guide roller; 720. a lower guide roller; 730. an upper cylinder; 740. a lower cylinder; 750. a welding head is arranged; 760. a lower welding head; 800. a connecting assembly; 810. mounting a connecting hole; 820. a connecting nut; 830. locking the bolt; 831. a movable groove; 840. a movable plate; 850. a compression spring; 860. and connecting the bolts.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

The portable server provided by the embodiment of the present application is described in detail below with reference to the accompanying drawings by specific embodiments and application scenarios thereof.

Example 1:

as shown in fig. 1 to 6, the present application provides a laser cutting machine for metal plates, which includes a laser cutting apparatus 400, where the laser cutting apparatus 400 includes: the conveying device 410 conveys the sheet metal strip to move, the conveying device 410 comprises a conveying frame 411, an end shaft 412 and a conveying belt 413, and the end shaft 412 can be placed on the conveying frame 411 to move back and forth along the conveying direction; the supporting plate 420 is arranged between the two end shafts 412 and is connected with the end shafts 412 in an installing mode, a dust guiding gap 421 is arranged in the middle of the supporting plate 420, and a plurality of uniformly arranged grooves 423 are formed in the supporting plate 420; guide walls 422 disposed at both sides of the dust guide slit 421 and connected to the support plate 420; the laser cutting device 430 can move back and forth along the conveying direction and the direction vertical to the conveying direction, and the laser cutting device 430 is connected with the supporting plate 420 in an installing manner; the air blowing device 500 is arranged on the support plate 420, and the air blowing device 500 is connected with the air pump 510.

The laser cutting device 400 is used for carrying out laser cutting on a strip-shaped metal plate, a plate blank of the cabinet body 100 can be continuously produced according to a drawing, the metal plate is conveyed by the conveying device 410, the conveying belt 413 and the end shaft 412 are both arranged on the conveying frame 411, the conveying belt 413 is driven by the driving device, the supporting plate 420 and the end shaft 412 are connected in an installing mode, the supporting plate 420 and the end shaft 412 can move simultaneously, different acting forces are applied to the conveying belts 413 on the two sides of the supporting plate 420, the conveying belt 413 contracts or extends, when the stroke of the conveying belt 413 on one side contracts and the stroke of the conveying belt 413 on the other side extends, the movement of the supporting plate 420 and the end shaft 412 is realized, when the conveying belt 413 on the two sides does not contract or extend, the movement of the metal plate is realized, a plurality of conveying rollers in a tooth-shaped cloth are arranged on the conveying device 410, the conveying belt 413 is wound on the conveying rollers, the contraction or extension of the conveying belt 413 is realized by moving the upper and lower positions of the conveying rollers 413, the supporting plate 420 and the laser cutting device 430 move simultaneously, the dust guiding gap 421 between the dust guiding groove 422 is ensured to correspond to the laser cutting device 430, the supporting plate 420, the dust guiding groove 423 is reduced, when the friction between the dust guiding groove is reduced, the dust guiding groove 422 and the dust guiding groove 422, the dust guiding groove is connected with the dust guiding groove on the dust guiding groove, when the dust guiding groove, the dust guiding groove 422, the dust guiding groove 422 is connected to the dust guiding groove, the dust guiding groove 422, when the laser cutting device 430 is used for cutting, the auxiliary gas acts on the metal plate, cut metal scraps can be adhered to two sides of the cutting seam under the action of the auxiliary gas, and the blowing device 500 blows air to the cutting seam to act on metal scraps to be adhered, so that the metal scraps are prevented from being adhered to the lower side surface of the metal plate.

Further, the air blowing device 500 includes: the air blowing nozzle 520 is movably arranged on the supporting plate 420 and is arranged at two sides of the dust guiding gap 421, and the air blowing nozzle 520 is provided with a Y-shaped air blowing hole 521; the blowing cylinder 530 is installed on the support plate 420, and a guide groove 531 is formed in the side wall of the blowing cylinder 530; the first piston 540 is arranged in the air blowing cylinder 530 and can move back and forth along the axis direction of the air blowing cylinder 530, the first piston 540 is provided with a guide block 541 matched with the guide groove 531, the first piston 540 is provided with an air inflation groove 542, the air inflation groove 542 and the inner wall surface of the air blowing cylinder 530 form an air blowing space 501, the air pump 510 is connected with the first piston 540 and communicated with the air blowing space 501, the inner side wall of the air blowing cylinder 530 is provided with a first connecting hole 532, and the first connecting hole 532 is connected with the air blowing hole 521.

The plurality of air blowing nozzles 520 are uniformly arranged and movably mounted on the support plate 420 and are distributed on two sides of the dust guide gap 421, air is blown out through the air blowing holes 521 to respectively act on two sides of the cutting gap, the Y-shaped air blowing holes 521 act on one side of the cutting gap and act on the lower end of the dust guide gap 421, air circulation in the dust guide gap 421 is accelerated, metal scraps in the dust guide gap 421 are discharged, the air blowing cylinder 530 is mounted on the support plate 420 and is connected with the air blowing nozzles 520 through a first connecting hole 532 on the air blowing cylinder 530, the air pump 510 is connected with the first piston 540 through a hose and is connected to the guide block 541, an air blowing space 501 is formed through the inner wall surface of the air blowing cylinder 542 and the air blowing cylinder 530, the air blowing groove 542 is tightly connected with the inner wall surface, when air is introduced into the air blowing space 501 through the air pump 510, the air is continuously led to the corresponding air blowing nozzles 520 through the first connecting hole 532, the first piston 540 is connected and driven through a screw rod, the screw rod is connected with the laser head 540 on the laser cutting device 430 through transmission modes such as a gear, the position of the first piston 540 is always corresponding to the position of the air blowing nozzle 540, and the air pump 500 moves corresponding to realize the action of the air blowing device 500.

Further, push plates 522 are provided at both ends of the blowing nozzle 520, a return spring 560 is provided between one side of the push plates 522 and the support plate 420, a second connection hole 533 is provided at an inner wall surface of the blowing cylinder 530, the second connection hole 533 is connected with a connection pipe 550, the connection pipe 550 corresponds to the left push plate 522 of the blowing nozzle 520 connected to the left first connection hole 532 and the right push plate 522 of the blowing nozzle 520 connected to the right first connection hole 532, the connection pipe 550 is provided with an elastic film 570, and the film 570 is separated from the push plates 522 in a normal state.

Further, the first connection holes 532 and the second connection holes 533 are alternately arranged, and the first connection holes 532 and the second connection holes 533 surrounded by the air-filled grooves 542 have an odd number of more than 5.

Preferably, the number of the connection pipes 550 is 5, which includes two second connection holes 533 and three first connection holes 532 or three second connection holes 533 and two first connection holes 532, the connection pipes 550 are connected to the second connection holes 533, when the inflation groove 542 surrounds the three second connection holes 533 and the two first connection holes 532, the gas is introduced into the second connection holes 533 at both sides of the first connection holes 532, the gas pressure acts on the film 570 to balance the forces on the push plate 522 at both sides of the blowing nozzle 520, at this time, the blowing nozzle 520 does not rotate, when the inflation groove 542 surrounds the two second connection holes 533 and the three first connection holes 532, the first connection holes 532 at the left side are acted by the film 570 corresponding to the first connection holes 532 at the right side to rotate the corresponding blowing nozzles 520, the blowing nozzles 520 corresponding to the first connection holes 532 at the right side rotate, the blowing nozzles 520 at the middle position do not rotate, the blocking effect on both sides of the metal chips is increased by rotating the blowing nozzles 520, and the metal chips are prevented from being discharged along the axial direction of the cylinder 530 and then continuously adhered to the metal blown by the two first connection holes 532, and the metal chips are further effectively prevented from being alternately connected to the metal connection pipes 532.

Further, the first connection hole 532 and the second connection hole 533 may be arranged in parallel, and a total of 4 first connection holes 532 and second connection holes 533 surrounded by the air-filled groove 542 during the movement of the first piston 540.

Including three first connecting hole 532 and a second connecting hole 533, the push pedal 522 atress balance of the blowing nozzle 520 both sides that first connecting hole 532 in the middle of corresponds, it does not rotate to correspond blowing nozzle 520 this moment, the blowing nozzle 520 that first connecting hole 532 in both sides corresponds deflects to the centre and rotates, prevent the metal fillings adhesion on sheet metal, can appear two complete first connecting holes 532 that gas cell 542 surrounded and link incomplete first connecting hole 532 and two incomplete second connecting holes 533 along with the removal of first piston 540, the blowing nozzle 520 that four first connecting holes 532 correspond all deflects to the centre this moment, prevent the metal fillings adhesion on sheet metal, first connecting hole 532 compares with setting up side by side with second connecting hole 533 alternately, it blows to have all the time to have guaranteed the side direction, improve the effect of blockking to the lateral direction metal fillings.

Further, the cutting steps of the laser cutting apparatus 400 include longitudinal cutting, transverse cutting: and (3) longitudinal cutting: perpendicular to the conveying direction of the conveying device 410; transverse cutting: parallel to the conveying direction of the conveying device 410; after the laser cutting device 400 finishes the current cutting operation, the moving directions of the conveyor belts 413 on the two sides of the support plate 420 are the same by driving the conveyor belts 413, the metal plate and the cut blanks are driven to move, the part of the metal plate to be cut is moved to the working interval of the laser cutting device 430, and the blanks are moved to the tail end of the conveyor device 410 along with the processed castings of the metal plate and are collected.

Further, the conveyor belt 413 stops driving during longitudinal cutting, the laser cutting head is driven to move longitudinally to cut the metal sheet by driving the laser cutting device 430, at the moment, the first piston 540 moves synchronously with the laser cutting head, and the air flow blown out by the air blowing nozzle 520 acts on the lower side face of the metal sheet at the cutting position of the laser cutting head.

Further, the end shaft 412 is driven to move by the conveying belt 413 during transverse cutting, the supporting plate 420 is driven to move, relative rest between the sheet material and the conveying frame 411 is guaranteed, the laser cutting head is driven to move transversely to cut the sheet metal by driving the laser cutting device 430, the first piston 540 corresponds to the laser cutting head in position, and air flow blown out by the air blowing nozzle 520 acts on the lower side face of the sheet metal at the cutting position of the laser cutting head.

Further, the cutting step of the laser cutting apparatus 400 further includes: the cutting device comprises oblique cutting, arc cutting and curve cutting, wherein the oblique cutting, the arc cutting and the curve cutting are realized by simultaneously controlling cutting through longitudinal cutting and transverse cutting.

Through carrying out continuous cutting in succession of horizontal cutting and vertical cutting, can once only cut off the blank that the metal cupboard needs from sheet metal, and through conveyer belt 413, end axle 412, backup pad 420's effect, can follow the continuous cutting blank down on the sheet metal, improve machining efficiency, and guarantee to have higher precision, can also realize the slant cutting through horizontal cutting and vertical cutting simultaneous action, pitch arc cutting or other more complicated curve cutting etc. realize more cutting function.

Each part of the cabinet body is cut out by laser cutting equipment, including: side plates 110 disposed at both sides of the cabinet body 100, the four sides of the side plates 110 being provided with first bending edges 111; a back plate 120 disposed at the rear side of the cabinet body 100, wherein second bent edges 121 are disposed at four sides of the back plate 120; the upright column 130 is arranged on the outer side surface of the side plate 110, and third bent edges 131 are arranged on two sides of the upright column 130; the beam 140 is arranged at the upper end and the lower end of the upright column 130, and the four bent edges 141 are arranged at the two sides of the beam 140; a bottom plate 150 disposed at a lower side of the cabinet body 100 and on the cross beam 140, wherein fifth bending edges 151 are disposed at four sides of the bottom plate 150; the middle plate 160 is disposed inside the cabinet body 100, and the four sides of the middle plate 160 are provided with sixth bending edges 161.

Example 2:

as shown in fig. 7-13, the present application provides a processing method for producing a metal cabinet by using a laser cutting device, which includes the following specific steps: s1: laser cutting blanking: selecting a plate according to the drawing requirements, and cutting a side plate 110 blank, a back plate 120 blank, a bottom plate 150 blank, a middle plate 160 blank, a column 130 blank, a beam 140 blank and an adjusting seat 210 blank by controlling laser cutting equipment 400; s2: deburring: removing burrs on the edges of the side plate 110 blank, the back plate 120 blank, the bottom plate 150 blank, the middle plate 160 blank, the upright column 130 blank, the cross beam 140 blank and the adjusting seat 210 blank which are subjected to blanking; s3: bending: bending the side plate 110 blank, the back plate 120 blank, the bottom plate 150 blank, the middle plate 160 blank, the upright column 130 blank, the cross beam 140 blank and the adjusting seat 210 blank which are subjected to blanking through a bending machine according to a drawing;

s4: installing and connecting: splicing the bent and formed parts, connecting the stand column with the side plates through bolts and nuts, arranging the back plate between fourth bent edges, limiting the movement of the back plate through the fourth bent edges, installing and connecting the side plates with the middle plate through a support assembly, and matching the cross beam with the stand column; s5: welding connection: the cross beam 140 is connected with the upright posts 130 at two sides in a welding way; s6: the adjacent cabinet bodies 100 are fixedly connected to each other by the connection assembly 800.

The cabinet body 100 is provided with a reinforcing layer 600, the reinforcing layer 600 is respectively arranged on one side of the side plate 110, the back plate 120, the bottom plate 150 and the middle plate 160, the other side of the reinforcing layer 600 is provided with a packaging plate 610, the reinforcing layer 600 comprises a plurality of meshes 603 in regular hexagon shapes, the reinforcing layer 600 is provided with a first abutting part 601, the transverse meshes 603 are connected through the first abutting part 601, the reinforcing layer 600 is provided with a second abutting part 602, and the longitudinal meshes 603 are connected through the second abutting part 602.

The reinforcing layer 600 is of an integral structure, the reinforcing layer 600 is welded with the side plate 110, the back plate 120, the bottom plate 150 and the middle plate 160 through the first abutting part 601, then the packaging plate 610 abuts against the second abutting part 602, the packaging plate 610 is welded with the bent edges of the side plate 110, the back plate 120, the bottom plate 150 and the middle plate 160, the structural strength of the cabinet body 100 is further improved through the reinforcing layer 600, the bearing performance of the side plate 110, the back plate 120, the bottom plate 150 and the middle plate 160 is improved, the first abutting part 601 is in an X shape in the overlooking direction, and the second abutting part 602 is in a bridge-shaped structure in the main viewing direction.

The cut and blanked side plate 110 blank, back plate 120 blank, bottom plate 150 blank, middle plate 160 blank are welded with the reinforcing layer 600 and the packaging plate 610 by a welding device 700, wherein the welding device 700 comprises: an upper guide roller 710, a lower guide roller 720, a lower cylinder 740 for driving the upper guide roller 710 to move to an upper cylinder 730, a lower cylinder for driving the lower guide roller 720 to move, an upper welding head 750, and a lower welding head 760.

The reinforcing layer 600 is respectively welded with the side plate 110 blank, the back plate 120 blank, the bottom plate 150 blank, the middle plate 160 blank and the corresponding packaging plate 610 by the welding device 700 before the cut and blanked plate is bent, the reinforcing layer 600 is also welded in the structure of the bent edge, the structural strength and the connection tightness of the bent side plate 110, the back plate 120, the bottom plate 150 and the middle plate 160 are further improved, the reinforcing layer 600 is welded on the corresponding bent edge before the bending, the bending of the bent edge needs to be ensured, the reinforcing layer 600 is provided with a row of complete meshes 603, and the side plate 110 blank, the back plate 120 blank, the bottom plate 150 blank and the middle plate 160 blank are collectively referred to as a welding blank 620 in the welding step.

The welding step comprises: the reinforcement layer 600 is placed between the welding blank 620 and the packaging plate 610, the welding blank 620 is wound around the upper guide roller 710, the packaging plate 610 is wound around the lower guide roller 720, the upper guide roller 710 is driven by the upper cylinder 730 to move and extend so that the first contact part 601 of the reinforcement layer 600 is abutted against the welding blank 620, the lower guide roller 720 is driven by the lower cylinder 740 to move and extend so that the second contact part 602 of the reinforcement layer 600 is abutted against the packaging plate 610, the upper welding head 750 is placed on the upper side of the reinforcement layer 600, the lower welding head 760 is placed on the lower side of the reinforcement layer 600, the first cylinder and the second cylinder alternately extend, the contact position of the second contact part 602 and the packaging plate 610 is welded by the upper welding head 750, the contact position of the first contact part 601 and the welding blank 620 is welded by the lower welding head 760, the first welding head and the second welding head are alternately welded, and the connection tightness among the welding blank 620, the reinforcement layer 600 and the packaging plate 610 is improved.

The middle plate 160 is provided with support holes 162, the support holes 162 correspond to the spacers 320, the support holes 162 have the same axis as the corresponding meshes 603, the middle plate 160 is provided with support nuts 330 corresponding to the support holes 162, the support nuts 330 are fitted to the corresponding meshes 603, and the support assembly 300 is provided with support bolts 340.

The support assembly 300 is arranged between the side plate 110 and the middle plate 160, and the support assembly 300 comprises a fixing member 310 and a cushion block 320; wherein the spacer 320 abuts the sixth bending edge 161.

Generally, the middle plate 160 and the supporting assembly 300 are connected through a bolt and a nut, the upper end of the bolt extends from the upper side of the middle plate 160, the lower side of the bolt extends from the lower side of the fixing member 310, the structure affects the beauty and is easy to collide during use, an opening is formed between the bent edge and the packaging plate 610, the supporting nut 330 is installed in the corresponding mesh 603 from the opening when being installed, the rotation of the supporting nut 330 is limited through the first abutting portion 601, then the supporting bolt 340 penetrates through the fixing member 310 from the lower end of the fixing member 310 and is matched with the supporting nut 330 through the cushion block 320, the supporting nut 330 limits the rotation through the mesh 603 when the supporting bolt 340 rotates, the supporting bolt 340 is connected and fastened with the supporting nut 330, the tight combination between the middle plate 160 and the supporting assembly 300 is ensured, the hidden installation structure of the supporting nut 330 and the supporting bolt 340 improves the beauty inside the cabinet body 100 and the stability during use, and prevents the collision with the protruding bolt and nut when taking the article in the cabinet body 100.

The connection assembly 800 includes: the mounting connection holes 810 are arranged on the side plate 110 and the first bending edge 111, the axes of the two mounting connection holes 810 are the same, and the axes of the mounting connection holes 810 are the same as the axes of the corresponding meshes 603 on the first bending edge 111; a coupling nut 820 disposed in the mesh 603 corresponding to the mounting coupling hole 810; the locking bolt 830 is in threaded connection with the connecting nut 820, and the locking bolt 830 is provided with a movable groove 831; a movable plate 840 movably connected to the locking bolt 830; a compression spring 850 interposed between the movable plate 840 and the coupling nut 820; and a coupling bolt 860 fitted with the coupling nut 820.

Generally, for the connection between the cabinet bodies 100 adjacent to the two side plates 110, the common bolt and nut installation connection is performed, but there may be a protruding end of the bolt, which affects the beauty and safety of use, the beauty and safety of the use are improved by the connection nut 820 and the connection bolt 860, the connection nut 820 is engaged with the locking bolt 830 before installation, the connection nut 820 is engaged with the corresponding mesh 603 through the first bending edge 111, the screwdriver separates the locking bolt 830 from the connection nut 820 through the installation connection hole 810, the locking bolt 830 is movably connected with the movable plate 840 through the movable slot 831, one end of the fastening bolt is pushed into the installation connection hole 810 under the action of the compression spring 850, the movable plate 840 abuts against the packaging plate 610, the connection nut 820 is stably placed in the mesh 603 and the rotation of the connection nut 820 around the axis is limited, the connection bolt 860 is threaded through the installation connection hole 810 of the other cabinet body 100 and is connected with the connection nut 820, the connection between the two adjacent cabinet bodies 100 is stably engaged with the connection bolt and nut 820, and the protruding portion of the connection assembly 860 is ensured to be connected with the cabinet body 100 through the installation and the cabinet body, and the cabinet body supporting the connection assembly 800, and the connection assembly 800 is convenient to the cabinet for the cabinet when the cabinet is screwed, and the cabinet is convenient and the cabinet is supported.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A laser cutting machine for metal sheets, comprising a laser cutting device (400), characterized in that said laser cutting device (400) comprises:

the conveying device (410) is used for conveying the metal plate strip to move, the conveying device (410) comprises a conveying frame (411), an end shaft (412) and a conveying belt (413), and the end shaft (412) can be placed on the conveying frame (411) to move back and forth along the conveying direction;

the supporting plate (420) is arranged between the two end shafts (412) and is connected with the end shafts (412) in an installing mode, a dust guiding gap (421) is arranged in the middle of the supporting plate (420), and a plurality of uniformly arranged grooves (423) are formed in the supporting plate (420);

the guide walls (422) are arranged on two sides of the dust guide gap (421) and are connected with the support plate (420);

the laser cutting device (430) can move back and forth along the conveying direction and the direction perpendicular to the conveying direction, and the laser cutting device (430) is connected with the supporting plate (420) in an installing mode;

the air blowing device (500) is arranged on the supporting plate (420), and the air blowing device (500) is connected with the air pump (510);

the air blowing device (500) includes:

the air blowing nozzle (520) is movably arranged on the supporting plate (420) and is arranged on two sides of the dust guiding gap (421), and the air blowing nozzle (520) is provided with a Y-shaped air blowing hole (521);

the blowing cylinder (530) is arranged on the supporting plate (420), and a guide groove (531) is formed in the side wall of the blowing cylinder (530);

the air pump device comprises a first piston (540), a guide block (541) matched with a guide groove (531) is arranged on the first piston (540), the first piston (540) can move back and forth along the axis direction of the air blowing cylinder (530), an air inflation groove (542) is arranged on the first piston (540), an air blowing space (501) is formed by the air inflation groove (542) and the inner wall surface of the air blowing cylinder (530), the air pump (510) is connected with the first piston (540) and communicated with the air blowing space (501), a first connecting hole (532) is formed in the inner side wall of the air blowing cylinder (530), and the first connecting hole (532) is connected with the air blowing hole (521);

the improved air blowing device is characterized in that push plates (522) are arranged on two sides of the air blowing nozzle (520), a return spring (560) is arranged between one side of each push plate (522) and the corresponding support plate (420), a second connecting hole (533) is formed in the inner wall surface of the air blowing cylinder (530), the second connecting hole (533) is connected with a connecting pipe (550), the connecting pipe (550) corresponds to the left push plate (522) of the air blowing nozzle (520) connected with the left first connecting hole (532) and corresponds to the right push plate (522) of the air blowing nozzle (520) connected with the right first connecting hole (532), an elastic film (570) is arranged on the connecting pipe (550), and the film (570) is separated from the push plates (522) in a normal state.

2. The laser cutting machine for metal plates according to claim 1, wherein the first connection holes (532) and the second connection holes (533) are alternately arranged, and the gas filling groove (542) surrounds the first connection holes (532) and the second connection holes (533) in total for an odd number of 5 and more.

3. The laser cutting machine of claim 1, wherein the first connection holes (532) and the second connection holes (533) are arranged side by side, the gas-filled slot (542) surrounds a total of 4 first connection holes (532) and second connection holes (533), including three first connection holes (532) and one second connection hole (533), and the second connection hole (533) is positioned to correspond to the middle first connection hole (532).

4. Laser cutting machine for metal sheets according to claim 1, characterized in that the laser cutting device (400) is provided with several movable rollers (440), the conveyor belt (413) is wound around the movable rollers (440), the movement of the movable rollers (440) is controlled by hydraulic cylinders to change the conveying travel of the conveyor belt (413) on both sides of the support plate (420).

5. The laser cutting machine according to claim 4, characterized in that the cutting step of the laser cutting device (400) comprises longitudinal cutting, transverse cutting:

longitudinal cutting: perpendicular to the conveying direction of the conveying device (410);

transverse cutting: parallel to the conveying direction of the conveying device (410);

after the laser cutting equipment (400) finishes the current cutting work, the conveying belts (413) on the two sides of the supporting plate (420) are driven to move in the same direction through the conveying belts (413), the metal plate and the cut blanking are driven to move, the part of the metal plate to be cut is moved to the working interval of the laser cutting device (430), and the blanking is gradually moved to the tail end of the conveying device (410) along with the processing of the metal plate and is collected.

6. The laser cutting machine for metal plate according to claim 5, wherein the driving of the conveyor belt (413) is stopped during the longitudinal cutting, the laser cutting head is moved longitudinally to cut the metal plate by driving the laser cutting device (430), the first piston (540) is moved synchronously with the laser cutting head, and the air flow blown by the air blowing nozzle (520) is applied to the lower side of the metal plate at the cutting position of the laser cutting head.

7. The laser cutting machine for metal plate as claimed in claim 5, wherein the end shaft (412) is driven to move by the conveyor belt (413) during the transverse cutting, the support plate (420) is driven to move, the relative rest between the metal plate and the conveyor frame (411) is ensured, the metal plate is cut by driving the laser cutting device (430) to move transversely by the laser cutting head, the first piston (540) corresponds to the position of the laser cutting head, and the air flow blown by the air blowing nozzle (520) acts on the lower side surface of the metal plate on two sides of the cutting position of the laser cutting head.

8. The laser cutting machine according to claim 5, characterized in that the cutting step of the laser cutting device (400) further comprises: the cutting device comprises oblique cutting, arc cutting and curve cutting, wherein the oblique cutting, the arc cutting and the curve cutting are realized by simultaneously controlling cutting through longitudinal cutting and transverse cutting.